<?php

/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2012 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category	PHPExcel
 * @package		PHPExcel_Writer
 * @copyright	Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license		http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version		1.7.7, 2012-05-19
 */
/** Require FPDF library */
$k_path_url = dirname(__FILE__) . '/PDF';
require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/PDF/tcpdf.php';

/**
 * PHPExcel_Writer_PDF
 *
 * @category	PHPExcel
 * @package		PHPExcel_Writer
 * @copyright	Copyright (c) 2006 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Writer_PDF extends PHPExcel_Writer_HTML implements PHPExcel_Writer_IWriter {

    /**
     * Temporary storage directory
     *
     * @var string
     */
    private $_tempDir = '';

    /**
     * Font
     *
     * @var string
     */
    private $_font = 'freesans';

    /**
     * Orientation (Over-ride)
     *
     * @var string
     */
    private $_orientation = null;

    /**
     * Paper size (Over-ride)
     *
     * @var int
     */
    private $_paperSize = null;

    /**
     * Paper Sizes xRef List
     *
     * @var array
     */
    private static $_paperSizes = array(
        //	Excel Paper Size													TCPDF Paper Size
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER => 'LETTER', //	(8.5 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_SMALL => 'LETTER', //	(8.5 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_TABLOID => array(792.00, 1224.00), //	(11 in. by 17 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LEDGER => array(1224.00, 792.00), //	(17 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LEGAL => 'LEGAL', //	(8.5 in. by 14 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_STATEMENT => array(396.00, 612.00), //	(5.5 in. by 8.5 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_EXECUTIVE => 'EXECUTIVE', //	(7.25 in. by 10.5 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3 => 'A3', //	(297 mm by 420 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4 => 'A4', //	(210 mm by 297 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_SMALL => 'A4', //	(210 mm by 297 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A5 => 'A5', //	(148 mm by 210 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_B4 => 'B4', //	(250 mm by 353 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_B5 => 'B5', //	(176 mm by 250 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_FOLIO => 'FOLIO', //	(8.5 in. by 13 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_QUARTO => array(609.45, 779.53), //	(215 mm by 275 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_1 => array(720.00, 1008.00), //	(10 in. by 14 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_2 => array(792.00, 1224.00), //	(11 in. by 17 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_NOTE => 'LETTER', //	(8.5 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO9_ENVELOPE => array(279.00, 639.00), //	(3.875 in. by 8.875 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO10_ENVELOPE => array(297.00, 684.00), //	(4.125 in. by 9.5 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO11_ENVELOPE => array(324.00, 747.00), //	(4.5 in. by 10.375 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO12_ENVELOPE => array(342.00, 792.00), //	(4.75 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_NO14_ENVELOPE => array(360.00, 828.00), //	(5 in. by 11.5 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_C => array(1224.00, 1584.00), //	(17 in. by 22 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_D => array(1584.00, 2448.00), //	(22 in. by 34 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_E => array(2448.00, 3168.00), //	(34 in. by 44 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_DL_ENVELOPE => array(311.81, 623.62), //	(110 mm by 220 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_C5_ENVELOPE => 'C5', //	(162 mm by 229 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_C3_ENVELOPE => 'C3', //	(324 mm by 458 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_C4_ENVELOPE => 'C4', //	(229 mm by 324 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_C6_ENVELOPE => 'C6', //	(114 mm by 162 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_C65_ENVELOPE => array(323.15, 649.13), //	(114 mm by 229 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_B4_ENVELOPE => 'B4', //	(250 mm by 353 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_B5_ENVELOPE => 'B5', //	(176 mm by 250 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_B6_ENVELOPE => array(498.90, 354.33), //	(176 mm by 125 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_ITALY_ENVELOPE => array(311.81, 651.97), //	(110 mm by 230 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_MONARCH_ENVELOPE => array(279.00, 540.00), //	(3.875 in. by 7.5 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_6_3_4_ENVELOPE => array(261.00, 468.00), //	(3.625 in. by 6.5 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_US_STANDARD_FANFOLD => array(1071.00, 792.00), //	(14.875 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_GERMAN_STANDARD_FANFOLD => array(612.00, 864.00), //	(8.5 in. by 12 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_GERMAN_LEGAL_FANFOLD => 'FOLIO', //	(8.5 in. by 13 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_ISO_B4 => 'B4', //	(250 mm by 353 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_JAPANESE_DOUBLE_POSTCARD => array(566.93, 419.53), //	(200 mm by 148 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_PAPER_1 => array(648.00, 792.00), //	(9 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_PAPER_2 => array(720.00, 792.00), //	(10 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_STANDARD_PAPER_3 => array(1080.00, 792.00), //	(15 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_INVITE_ENVELOPE => array(623.62, 623.62), //	(220 mm by 220 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_EXTRA_PAPER => array(667.80, 864.00), //	(9.275 in. by 12 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LEGAL_EXTRA_PAPER => array(667.80, 1080.00), //	(9.275 in. by 15 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_TABLOID_EXTRA_PAPER => array(841.68, 1296.00), //	(11.69 in. by 18 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_EXTRA_PAPER => array(668.98, 912.76), //	(236 mm by 322 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_TRANSVERSE_PAPER => array(595.80, 792.00), //	(8.275 in. by 11 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_TRANSVERSE_PAPER => 'A4', //	(210 mm by 297 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_EXTRA_TRANSVERSE_PAPER => array(667.80, 864.00), //	(9.275 in. by 12 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_SUPERA_SUPERA_A4_PAPER => array(643.46, 1009.13), //	(227 mm by 356 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_SUPERB_SUPERB_A3_PAPER => array(864.57, 1380.47), //	(305 mm by 487 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER_PLUS_PAPER => array(612.00, 913.68), //	(8.5 in. by 12.69 in.)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A4_PLUS_PAPER => array(595.28, 935.43), //	(210 mm by 330 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A5_TRANSVERSE_PAPER => 'A5', //	(148 mm by 210 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_JIS_B5_TRANSVERSE_PAPER => array(515.91, 728.50), //	(182 mm by 257 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3_EXTRA_PAPER => array(912.76, 1261.42), //	(322 mm by 445 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A5_EXTRA_PAPER => array(493.23, 666.14), //	(174 mm by 235 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_ISO_B5_EXTRA_PAPER => array(569.76, 782.36), //	(201 mm by 276 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A2_PAPER => 'A2', //	(420 mm by 594 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3_TRANSVERSE_PAPER => 'A3', //	(297 mm by 420 mm)
        PHPExcel_Worksheet_PageSetup::PAPERSIZE_A3_EXTRA_TRANSVERSE_PAPER => array(912.76, 1261.42) //	(322 mm by 445 mm)
    );

    /**
     * Create a new PHPExcel_Writer_PDF
     *
     * @param 	PHPExcel	$phpExcel	PHPExcel object
     */
    public function __construct(PHPExcel $phpExcel) {
        parent::__construct($phpExcel);
        $this->setUseInlineCss(true);
        $this->_tempDir = PHPExcel_Shared_File::sys_get_temp_dir();
    }

    /**
     * Set font. Examples:
     *   'arialunicid0-chinese-simplified'
     *   'arialunicid0-chinese-traditional'
     *   'arialunicid0-korean'
     *   'arialunicid0-japanese'
     *
     * @param	string	$fontName
     */
    public function setFont($fontName) {
        $this->_font = $fontName;
        return $this;
    }

    /**
     * Get Paper Size
     *
     * @return int
     */
    public function getPaperSize() {
        return $this->_paperSize;
    }

    /**
     * Set Paper Size
     *
     * @param int $pValue
     * @return PHPExcel_Writer_PDF
     */
    public function setPaperSize($pValue = PHPExcel_Worksheet_PageSetup::PAPERSIZE_LETTER) {
        $this->_paperSize = $pValue;
        return $this;
    }

    /**
     * Get Orientation
     *
     * @return string
     */
    public function getOrientation() {
        return $this->_orientation;
    }

    /**
     * Set Orientation
     *
     * @param string $pValue
     * @return PHPExcel_Writer_PDF
     */
    public function setOrientation($pValue = PHPExcel_Worksheet_PageSetup::ORIENTATION_DEFAULT) {
        $this->_orientation = $pValue;
        return $this;
    }

    /**
     * Save PHPExcel to file
     *
     * @param 	string 		$pFilename    Filename for the saved file
     * @throws 	Exception
     */
    public function save($pFilename = null) {
        // garbage collect
        $this->_phpExcel->garbageCollect();

        $saveArrayReturnType = PHPExcel_Calculation::getArrayReturnType();
        PHPExcel_Calculation::setArrayReturnType(PHPExcel_Calculation::RETURN_ARRAY_AS_VALUE);

        // Open file
        $fileHandle = fopen($pFilename, 'w');
        if ($fileHandle === false) {
            throw new Exception("Could not open file $pFilename for writing.");
        }

        // Set PDF
        $this->_isPdf = true;

        // Build CSS
        $this->buildCSS(true);

        // Generate HTML
        $html = '';
        //$html .= $this->generateHTMLHeader(false);
        $html .= $this->generateSheetData();
        //$html .= $this->generateHTMLFooter();
        // Default PDF paper size
        $paperSize = 'LETTER'; //	Letter	(8.5 in. by 11 in.)
        // Check for paper size and page orientation
        if (is_null($this->getSheetIndex())) {
            $orientation = ($this->_phpExcel->getSheet(0)->getPageSetup()->getOrientation() == PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
            $printPaperSize = $this->_phpExcel->getSheet(0)->getPageSetup()->getPaperSize();
            $printMargins = $this->_phpExcel->getSheet(0)->getPageMargins();
        } else {
            $orientation = ($this->_phpExcel->getSheet($this->getSheetIndex())->getPageSetup()->getOrientation() == PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
            $printPaperSize = $this->_phpExcel->getSheet($this->getSheetIndex())->getPageSetup()->getPaperSize();
            $printMargins = $this->_phpExcel->getSheet($this->getSheetIndex())->getPageMargins();
        }

        //	Override Page Orientation
        if (!is_null($this->_orientation)) {
            $orientation = ($this->_orientation == PHPExcel_Worksheet_PageSetup::ORIENTATION_LANDSCAPE) ? 'L' : 'P';
        }
        //	Override Paper Size
        if (!is_null($this->_paperSize)) {
            $printPaperSize = $this->_paperSize;
        }


        if (isset(self::$_paperSizes[$printPaperSize])) {
            $paperSize = self::$_paperSizes[$printPaperSize];
        }


        // Create PDF
        $pdf = new TCPDF($orientation, 'pt', $paperSize);
        $pdf->setFontSubsetting(false);
        //	Set margins, converting inches to points (using 72 dpi)
        $pdf->SetMargins($printMargins->getLeft() * 72, $printMargins->getTop() * 72, $printMargins->getRight() * 72);
        $pdf->SetAutoPageBreak(true, $printMargins->getBottom() * 72);
//		$pdf->setHeaderMargin($printMargins->getHeader() * 72);
//		$pdf->setFooterMargin($printMargins->getFooter() * 72);

        $pdf->setPrintHeader(false);
        $pdf->setPrintFooter(false);

        $pdf->AddPage();

        // Set the appropriate font
        $pdf->SetFont($this->_font);
        $pdf->writeHTML($html);

        // Document info
        $pdf->SetTitle($this->_phpExcel->getProperties()->getTitle());
        $pdf->SetAuthor($this->_phpExcel->getProperties()->getCreator());
        $pdf->SetSubject($this->_phpExcel->getProperties()->getSubject());
        $pdf->SetKeywords($this->_phpExcel->getProperties()->getKeywords());
        $pdf->SetCreator($this->_phpExcel->getProperties()->getCreator());

        // Write to file
        fwrite($fileHandle, $pdf->output($pFilename, 'S'));

        // Close file
        fclose($fileHandle);

        PHPExcel_Calculation::setArrayReturnType($saveArrayReturnType);
    }

    /**
     * Get temporary storage directory
     *
     * @return string
     */
    public function getTempDir() {
        return $this->_tempDir;
    }

    /**
     * Set temporary storage directory
     *
     * @param 	string	$pValue		Temporary storage directory
     * @throws 	Exception	Exception when directory does not exist
     * @return PHPExcel_Writer_PDF
     */
    public function setTempDir($pValue = '') {
        if (is_dir($pValue)) {
            $this->_tempDir = $pValue;
        } else {
            throw new Exception("Directory does not exist: $pValue");
        }
        return $this;
    }

}
